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Pretty dismal effort when you see it graphically displayed.
And even if some life form lived within that tiny radius it would need to be listening, know how to listen, bother with listening, have the technology to listen, or even care.
Then if they decided to reply it would take another 100 or more years for us to receive the answer, if we were listening in the direction the reply comes from.
Finding intelligent life elsewhere will be a massive task.
Simple life forms may be possible in our life times though (bacteria, fungus, etc).
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